Children develop hand dominance at around 3 to 5 years (but sometimes later). Hand dominance simply means that one hand becomes more active in leading activities such as writing or using scissors. It can also be indicated by asking your child to pick up a pencil (from the middle of a desk), asking them to open a jar or seeing which hand they use to brush their teeth.
Many children won't even notice that people are left- and right-handed until they start nursery, pre-school or school, as it becomes more noticeable when children sit and work together. If your child is left handed, mention it to their teacher or pre-school leader, so they can seat your child somewhere in the classroom where they will have enough space and freedom to write.
2 September 2013